<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // const 常量 （值不能被修改的变量才叫做常量）
        // const 潜规则 声明形式除了声明的类型为函数 （fn）外 必须全部大写
        const SCHOOL = "金语最帅";
        /*
            const 不能被修改 --- 可以修改对象里面或者数组里面的值
            const 也是拥有块级作用域
        */ 
        {
            const BOY = "";
        }
        const MUSHA = ["musha","女人"];
        MUSHA.push("未婚");
        console.log(MUSHA)
    </script>






    <script>
        const SCHOOL = "金语最帅";
        {
            const BOY = "";
        }
        const MUSHA = ["musha","女人"];
        MUSHA.push("未婚");
        console.log(MUSHA)
    </script>
    <script>

        const SCHOOL = "金语最帅";
        {
            const BOY = "";
        }
        const MUSHA = ["musha","女人"];
        MUSHA.push("未婚");
        console.log(MUSHA)
    </script>
</body>
</html>